Home / 83,450.25-115,161.35-49,916.25

Finding the Fourth Proportional to 83,450.25, 115,161.35 and 49,916.25

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Solution

The fourth proportional to 83,450.25, 115,161.35 and 49,916.25 is: 68,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,450.25 : 115,161.35 = 49,916.25 : x
  2. Step 2: Convert to fraction form
    83,450.25/115,161.35 = 49,916.25/x
  3. Step 3: Cross multiply
    83,450.25x = 115,161.35 × 49,916.25
  4. Step 4: Simplify right side
    83,450.25x = 5,748,422,487.36
  5. Step 5: Solve for x
    x = 5,748,422,487.36/83,450.25
  6. Step 6: Final answer
    x = 68,884.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.